Understand the water-resistance rating and its intended use.
An IP designation identifies a standardized category of enclosure protection. This reference helps readers compare common IPX water-exposure classes, understand their practical differences, and follow manufacturer-specific guidance.
IPX water-resistance rating chart
| Rating | Water test category | What to remember |
|---|---|---|
| IPX4 | Splashing water from any direction | Not an immersion rating |
| IPX5 | Water jets | Not an immersion rating |
| IPX6 | Powerful water jets | Not an immersion rating |
| IPX7 | Temporary immersion under standardized test conditions | Does not automatically mean protection against IPX5/IPX6 jets |
| IPX8 | Continuous immersion under manufacturer-specified conditions more severe than IPX7 | Depth, time and operating conditions must be stated or confirmed |
Important: In “IPX7,” the letter X means the dust/solid-particle protection digit is not specified by that designation; it does not mean a score of zero. The final digit identifies the water-ingress category. The reference standard is IEC 60529, Degrees of protection provided by enclosures (IP Code).
What X and the numbers mean
The first character after IP refers to solid-particle protection; the second refers to water. X means that position has no stated classification; it is not the same as a zero rating. IEC 60529 establishes the test categories. When independent testing or certification is claimed, the supporting records should match the actual product configuration.
Check the actual model, assembled enclosure and any declarations or reports supplied by the manufacturer. IEC 60529 defines the framework and Intertek's testing overview provides a publicly readable summary of categories.
Why IPX7 and IPX6 describe different water tests
Jet exposure and immersion are different tests. An enclosure with an IPX7-only classification should not be assumed to meet IPX5 or IPX6 requirements. When both types of exposure matter, look for a dual designation (for example, IPX6/IPX7) and credible documentation for that exact device.
An isolated number is not the whole story: closure position, fitted caps, connector condition and the manufacturer's instructions can matter in practice. Water resistance is not necessarily permanent throughout the life of a damaged or worn device.
Different exposure conditions call for different supporting evidence. If a product is intended for both jets and immersion, its specifications should identify the applicable water-ingress classifications for each use.
An IPX8 description also requires model-specific test conditions. Neither IPX7 nor IPX8 should be interpreted as unlimited water depth, immersion time, hot-water suitability or operation while submerged.
What to check beyond the water-resistance rating
- Cleaning agents: IP testing does not establish compatibility with soap, alcohol, oils, or disinfectants.
- Charging safety: an IP rating does not make charging while wet safe.
- Hot water: ordinary water-ingress grades do not establish suitability for hot baths or high-temperature spray.
- Material safety: water resistance is unrelated to whether a surface material is suitable for a particular use.
- Accessories: a device rating might not apply to a remote, cable, charging dock, or removable part.
- Actual tested model: verify whether the rating also applies to the selected variant and its accessories.
How to verify a product claim
- Find the exact rating on the model's instructions or technical specification, not just a decorative icon.
- Check whether the rating covers splashes, water jets or immersion and what those conditions mean.
- Ask whether the rating applies to the complete assembled device or only a specific component.
- Follow the instructions for cleaning, plugs, charging contacts and drying.
- If no numeric rating is published, ask for the manufacturer-approved water exposure rather than assuming that “waterproof” means submersible.
Claim vs. evidence: editor's verification grid
| Product claim | Evidence to request | Unverified without it |
|---|---|---|
| “Waterproof” | Exact IP designation and approved usage instructions | Which test category and limits actually apply |
| “IPX7 rated” | Manufacturer declaration or relevant report naming the device model | Whether the sold variant matches the described enclosure |
| “Shower-friendly” | Manufacturer's water spray/use directions and exclusions | Whether direct jets or hot water are permitted |
| “Fully submersible” | Manufacturer-specified immersion depth, duration and operating state | Whether conditions match the intended use |
| “Easy to clean” | Compatible substances and a cleaning procedure for the device | Whether soap, disinfectant or soaking is allowed |
| “Certified waterproof” | Identity of certification organization, report or certificate and precise scope | Whether third-party certification exists |
Water ingress, material compatibility, cleaning, charging and overall product safety are evaluated through different technical requirements. Relevant material design and user information are addressed separately for products within the scope of ISO 3533:2021; product-specific conformity, when relevant, should be checked against the supporting documentation.
The FTC's advertising guidance calls for a reasonable evidentiary basis for objective claims; describing a claim as “certified” requires verification of who certified what.
Practical examples
Example A: A device marked IPX4 may have some protection against splashes, but that marking alone cannot justify full submersion. Example B: A device marked IPX6 has a water-jet classification, yet immersion protection cannot be inferred. Example C: A device marked IPX7 has a temporary-immersion classification, but high-pressure cleaning or unrestricted shower spraying should not be assumed safe.
Reference and limitations
IEC 60529 contains the technical methods behind these categories. Use this quick-reference chart alongside the manufacturer's instructions and any available documentation for the exact product. When specifications differ between sources, request clarification before water exposure.
This page summarizes categories, not every laboratory condition in the full text of the standard. The consolidated IEC standard is available through the official IEC catalog; its full normative requirements may require purchase. Exact-model testing and the manufacturer's use instructions remain essential.
Frequently Asked Questions
Does IPX7 mean I can keep a vibrator underwater indefinitely?
No. IPX7 refers to temporary immersion under defined test conditions. It does not describe indefinite submersion.
Is IPX8 the same test condition for every device?
No. The manufacturer's specified conditions matter and should be checked for the exact product.
Can I wash an IPX4 device under a faucet?
The rating by itself is not enough to decide how to wash it. Faucet flow and exposure vary; use the manufacturer's stated cleaning instructions.
Does an IP rating mean a remote control is waterproof too?
Not necessarily. Each separately enclosed electronic accessory needs its own verified instructions or rating.
8Sources & References
- IEC 60529 consolidated publication, IEC — official IP-code standard.
- Intertek — IP testing overview — accessible definitions of water-ingress categories.
- ISO 3533:2021 — official scope — distinct standard for the material, design and user-information scope of certain sex toys.
- FTC — Advertising FAQs — objective claims require substantiation.
9How This Guide Was Prepared
Publisher: BlissEntry. Technical-source review: October 14, 2026. This summary compares publicly accessible IEC standard descriptions with a major testing organization's public IP-code explanation and the FTC's claim-substantiation guidance. The full normative test procedures are available from the relevant IEC publication. Product-specific test reports and certification details, when applicable, should be assessed using the issuing organization's records. Model-specific instructions control allowable water exposure, cleaning and charging.